IN previous post, you said that you can not create slave site into another DB because you don't have the permission to create DB on the fily.
In your description, I see that you have created a JMS template where you have hardcoded the table prefix (jos_) and where you have put all the DB connection parameter.
EREASE all the fields except the table prefix and replace jos_ by something like "{site_id}_" to have a unique table prefix.
Later in the new site, let everything empty or just fill the new table prefix that must be unique for all the website.
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